Home / 3,711.41-5,121.74-2,055.41

Finding the Fourth Proportional to 3,711.41, 5,121.74 and 2,055.41

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Solution

The fourth proportional to 3,711.41, 5,121.74 and 2,055.41 is: 2,836.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.41 : 5,121.74 = 2,055.41 : x
  2. Step 2: Convert to fraction form
    3,711.41/5,121.74 = 2,055.41/x
  3. Step 3: Cross multiply
    3,711.41x = 5,121.74 × 2,055.41
  4. Step 4: Simplify right side
    3,711.41x = 10,527,275.61
  5. Step 5: Solve for x
    x = 10,527,275.61/3,711.41
  6. Step 6: Final answer
    x = 2,836.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.